Home / 875,468.48-1,208,073.92-493,589.12

Finding the Fourth Proportional to 875,468.48, 1,208,073.92 and 493,589.12

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Solution

The fourth proportional to 875,468.48, 1,208,073.92 and 493,589.12 is: 681,112.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,468.48 : 1,208,073.92 = 493,589.12 : x
  2. Step 2: Convert to fraction form
    875,468.48/1,208,073.92 = 493,589.12/x
  3. Step 3: Cross multiply
    875,468.48x = 1,208,073.92 × 493,589.12
  4. Step 4: Simplify right side
    875,468.48x = 596,292,143,067.75
  5. Step 5: Solve for x
    x = 596,292,143,067.75/875,468.48
  6. Step 6: Final answer
    x = 681,112.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.